Ever wanted your kids to do some work around the house? Well give them the Nut Cracker Yo Yo.Designers Xiaofei Wang and Beibei Wu have designed a Yo Yo that will crack walnuts for you by just playing a Yo Yo.
All you need to do is put the nut in there, yo, re-yo, and bang! Actually you’ve gotta hit something with the yo. You fasten the nut inside the yo, then you yo the yo right into a wall, the floor,
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